Grand Canal of the Valley of Mexico
E246337
The Grand Canal of the Valley of Mexico is a large-scale drainage and flood-control canal system built to divert waters from the former lake system of the Valley of Mexico, particularly around Mexico City.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Canal de Tezontle (historic area) | 1 |
| Deep Drainage System of Mexico City | 1 |
| Desagüe del Valle de México | 1 |
| Gran Canal del Valle de México | 1 |
| Grand Canal of the Valley of Mexico canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2183402 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Grand Canal of the Valley of Mexico Context triple: [Lake Texcoco, majorDrainageProjects, Grand Canal of the Valley of Mexico]
-
A.
Chapultepec Lake
Chapultepec Lake is a large artificial lake in Mexico City’s Chapultepec Park, popular for boating, recreation, and scenic views within the urban green space.
-
B.
Valley of Mexico
The Valley of Mexico is a highland basin in central Mexico that historically hosted several major pre-Columbian civilizations and today contains the country’s largest urban concentration.
-
C.
Basin of Pátzcuaro
The Basin of Pátzcuaro is a highland lake region in present-day Michoacán, Mexico, that served as the political and cultural heartland of the pre-Hispanic Purépecha (Tarascan) civilization.
-
D.
Lake Texcoco
Lake Texcoco was a large, now mostly drained lake in the Valley of Mexico that once surrounded the Aztec capital Tenochtitlan and is central to Mexico’s national origin myth.
-
E.
Circuito Interior
Circuito Interior is a major ring road in Mexico City that helps channel traffic around the central urban area and connects multiple boroughs, including Azcapotzalco.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Grand Canal of the Valley of Mexico Target entity description: The Grand Canal of the Valley of Mexico is a large-scale drainage and flood-control canal system built to divert waters from the former lake system of the Valley of Mexico, particularly around Mexico City.
-
A.
Chapultepec Lake
Chapultepec Lake is a large artificial lake in Mexico City’s Chapultepec Park, popular for boating, recreation, and scenic views within the urban green space.
-
B.
Valley of Mexico
The Valley of Mexico is a highland basin in central Mexico that historically hosted several major pre-Columbian civilizations and today contains the country’s largest urban concentration.
-
C.
Basin of Pátzcuaro
The Basin of Pátzcuaro is a highland lake region in present-day Michoacán, Mexico, that served as the political and cultural heartland of the pre-Hispanic Purépecha (Tarascan) civilization.
-
D.
Lake Texcoco
Lake Texcoco was a large, now mostly drained lake in the Valley of Mexico that once surrounded the Aztec capital Tenochtitlan and is central to Mexico’s national origin myth.
-
E.
Circuito Interior
Circuito Interior is a major ring road in Mexico City that helps channel traffic around the central urban area and connects multiple boroughs, including Azcapotzalco.
- F. None of above. chosen
Statements (35)
| Predicate | Object |
|---|---|
| instanceOf |
drainage canal system
ⓘ
flood control infrastructure ⓘ |
| associatedWith |
flooding problems in Mexico City
ⓘ
subsidence issues in Mexico City ⓘ |
| connectedTo |
Grand Canal of the Valley of Mexico
self-linksurface differs
ⓘ
surface form:
Deep Drainage System of Mexico City
Emisor Central ⓘ Emisor Oriente ⓘ |
| country | Mexico ⓘ |
| divertsWaterFrom |
Lake Texcoco
ⓘ
surface form:
Lake Texcoco basin
Greater Mexico City metropolitan area ⓘ
surface form:
Mexico City urban area
former lake system of the Valley of Mexico ⓘ |
| engineeringChallenge | high altitude closed basin of the Valley of Mexico ⓘ |
| flowsThrough |
Hidalgo
ⓘ
Mexico City ⓘ State of Mexico ⓘ |
| function |
conveyance of excess surface water out of the basin
ⓘ
reduction of flood risk in urban areas ⓘ |
| hasNameInLanguage |
Grand Canal of the Valley of Mexico
self-linksurface differs
ⓘ
surface form:
Gran Canal del Valle de México
|
| historicalContext | built as part of long-term efforts to drain the lakes of the Valley of Mexico ⓘ |
| languageOfName | Spanish ⓘ |
| locatedIn |
Hidalgo
ⓘ
Greater Mexico City metropolitan area ⓘ
surface form:
Mexico City metropolitan area
State of Mexico ⓘ Valley of Mexico ⓘ |
| manages |
stormwater from Mexico City
ⓘ
wastewater from Mexico City ⓘ |
| purpose |
diversion of lake waters
ⓘ
drainage of the Valley of Mexico ⓘ flood control ⓘ |
| regionServed |
Mexico City
ⓘ
Valley of Mexico ⓘ |
| relatedTo |
Grand Canal of the Valley of Mexico
self-linksurface differs
ⓘ
surface form:
Desagüe del Valle de México
Lake Texcoco drainage ⓘ |
| replacedOrSupplemented | earlier drainage works of the Valley of Mexico ⓘ |
| terminatesIn |
Tula River
ⓘ
surface form:
Tula River basin
|
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Grand Canal of the Valley of Mexico Description of subject: The Grand Canal of the Valley of Mexico is a large-scale drainage and flood-control canal system built to divert waters from the former lake system of the Valley of Mexico, particularly around Mexico City.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Canal de Tezontle (historic area)
Grand Canal of the Valley of Mexico
→
connectedTo
→
Grand Canal of the Valley of Mexico
self-linksurface differs
ⓘ
this entity surface form:
Deep Drainage System of Mexico City
Grand Canal of the Valley of Mexico
→
relatedTo
→
Grand Canal of the Valley of Mexico
self-linksurface differs
ⓘ
this entity surface form:
Desagüe del Valle de México
Grand Canal of the Valley of Mexico
→
hasNameInLanguage
→
Grand Canal of the Valley of Mexico
self-linksurface differs
ⓘ
this entity surface form:
Gran Canal del Valle de México